Aids-to-navigation notices in the South Atlantic Ocean

Lights extinguished, buoys off station, RACON/NAVTEX outages.

in force
17
last 12 months
20
vs previous 12 (5)
+300%
since 1998
1,959

Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so 2024–2026 are under-counted.

In force now · 17

  1. HYDROLANT 1505/26in force2026-08-05
    Araripe Light at 16-08.09S 038-57.86W is unlit until 31 Jan 2027.
    South Atlantic · Brazil
  2. HYDROLANT 1407/26in force2026-07-22
    The radiobeacon at Chui Light, Brazil, is off air until 17 Jan 27.
    South Atlantic · Brazil
  3. HYDROLANT 1258/26in force2026-06-27
    An ocean data buoy is temporarily established in the South Atlantic off Brazil at 32-14.29S 051-58.16W, with cancellation December 26.
    South Atlantic · Brazil
  4. HYDROLANT 942/26in force2026-05-13
    An ocean data acquisition buoy is established at 05-09.46S 035-09.81W in the South Atlantic off Brazil; this message cancels at 080001Z Nov 26.
    South Atlantic · Brazil
  5. HYDROLANT 906/26in force2026-05-08
    An ODAS buoy Bravo RN-L is temporarily established in the South Atlantic off Brazil at 04-53.00S 035-46.01W until 20 October.
    South Atlantic · Brazil
  6. HYDROLANT 900/26in force2026-05-07
    Tamandare Light in Brazil is unlit until November 2.
    South Atlantic · Brazil
  7. HYDROLANT 882/26in force2026-05-04
    Maceio light, 09-41.03S 035-43.38W, is unlit until 31 October; cancellation at 010001Z November 26.
    South Atlantic · Brazil
  8. HYDROLANT 810/26in force2026-04-23
    A yellow data buoy is established in the South Atlantic off Brazil at 17-58.12S 038-41.48W until October 19; message cancels October 26.
    South Atlantic · Brazil
  9. HYDROLANT 809/26in force2026-04-23
    An ODAS buoy is temporarily established in the South Atlantic off Brazil at 32-32.46S 052-06.03W until 31 Dec 2027; HYDROLANT 1946/25 canceled.
    South Atlantic · Brazil
  10. HYDROLANT 746/26in force2026-04-14
    A data buoy is temporarily established in the South Atlantic off Brazil at 21-34.20S 040-43.62W until 13 April 2027.
    South Atlantic · Brazil
  11. HYDROLANT 657/26in force2026-04-02
    Radar beacon at Cabo Sao Tome light is off air until 28 Sep.
    South Atlantic · Brazil
  12. HYDROLANT 638/26in force2026-03-31
    Ponta dos Meros light at 23-13.57S 044-20.83W is unlit until 26 September; cancel advisories.
    South Atlantic · Brazil
  13. HYDROLANT 628/26in force2026-03-30
    An ODAS buoy is established at 24-06.36S 045-38.78W; this message cancels 250001Z September 2026.
    South Atlantic · Brazil
  14. HYDROLANT 627/26in force2026-03-30
    Light at Laje da Conceicao, 24-14.18S 046-41.46W, is unlit until 24 September.
    South Atlantic · Brazil
  15. HYDROLANT 492/26in force2026-03-13
    Barra de Itabapoana light is unlit until 08 September 2026; previous warnings cancelled.
    South Atlantic · Brazil
  16. HYDROLANT 453/26in force2026-03-07
    Caete Light at 00-49S 046-36W is destroyed; message cancels on September 3, 2026.
    South Atlantic · Brazil
  17. HYDROLANT 434/26in force2026-03-05
    Ponta da Galheta light at 27-34.55S 048-24.99W is unlit until 31 August. Cancellation on 1 September 2026.
    South Atlantic · Brazil

Longest in force

  1. HYDROLANT 434/26in force2026-03-05 · 170 d
    Ponta da Galheta light at 27-34.55S 048-24.99W is unlit until 31 August. Cancellation on 1 September 2026.
    South Atlantic · Brazil
  2. HYDROLANT 453/26in force2026-03-07 · 168 d
    Caete Light at 00-49S 046-36W is destroyed; message cancels on September 3, 2026.
    South Atlantic · Brazil
  3. HYDROLANT 492/26in force2026-03-13 · 162 d
    Barra de Itabapoana light is unlit until 08 September 2026; previous warnings cancelled.
    South Atlantic · Brazil
  4. HYDROLANT 627/26in force2026-03-30 · 145 d
    Light at Laje da Conceicao, 24-14.18S 046-41.46W, is unlit until 24 September.
    South Atlantic · Brazil
  5. HYDROLANT 628/26in force2026-03-30 · 145 d
    An ODAS buoy is established at 24-06.36S 045-38.78W; this message cancels 250001Z September 2026.
    South Atlantic · Brazil

By year

98
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

Other hazards in the South Atlantic Ocean

Archive · 1,942 cancelled

  1. HYDROLANT 2692/202020-09-01 → 2020-09-01
    Dgps at ponta de calcanhar light 05-09.7S 035-29.1W inoperative
    Western South Atlantic · Brazil-northeast Coast
  2. HYDROLANT 2691/202020-09-01 → 2020-09-01
    Rio grande dgps 32-09.0S 052-06.2W inoperative
    Western South Atlantic · Brazil-south Coast
  3. HYDROLANT 2662/202020-08-29 → 2020-11-05
    Ilha dos lobos light 28-26.8S 048-42.5W unlit
    Western South Atlantic · Brazil-south Coast
  4. HYDROLANT 2643/202020-08-28 → 2020-09-25
    Ponta pecem light 03-33.0S 038-49.1W unlit
    Western South Atlantic · Brazil-north Coast
  5. HYDROLANT 2514/202020-08-14 → 2020-08-19
    Abrolhos light 17-57.85S 038-41.63W unlit, dgps station off air
    Western South Atlantic · Brazil-east Coast
  6. HYDROLANT 2505/202020-08-13 → 2020-09-16
    Araquari light 26-27-07S 048-35-45W unlit until 09 feb 21
    Western South Atlantic · Brazil-south Coast
  7. HYDROLANT 2492/202020-08-11 → 2020-08-19
    Ponta do retiro light 21-21-33S 040-57-45W unlit until 07 feb 21
    Western South Atlantic · Brazil-southeast Coast
  8. HYDROLANT 2433/202020-08-05 → 2020-08-06
    Morro grande light 20-18.2S 040-18.6W unlit until 01 feb 21
    Western South Atlantic · Brazil-southeast Coast
  9. HYDROLANT 2286/202020-07-20 → 2020-07-27
    Ilha do boi light 20-18.6S 040-16.9W unreliable until 16 jan 21
    Western South Atlantic · Brazil-southeast Coast
  10. HYDROLANT 2223/202020-07-14 → 2020-07-17
    Ilha dos lobos light 28-26.8S 048-42.5W unlit until 10 jan 21
    Western South Atlantic · Brazil-south Coast
  11. HYDROLANT 2020/202020-06-23 → 2020-07-17
    Juatinga light 23-17.6S 044-30.3W unlit until 19 dec
    Western South Atlantic · Brazil-south Coast
  12. HYDROLANT 1966/202020-06-16 → 2020-08-14
    Santo alberto light 05-03.2S 036-02.3W unlit until 12 dec
    Western South Atlantic · Brazil-northeast Coast
  13. HYDROLANT 1939/202020-06-12 → 2020-09-18
    Soure light 00-44-32S 048-30-23W unlit until 09 dec
    Western South Atlantic · Brazil-north Coast
  14. HYDROLANT 1912/202020-06-10 → 2020-06-16
    Morro grande light 20-18.15S 040-18.60W unlit until 07 dec
    Western South Atlantic · Brazil-southeast Coast
  15. HYDROLANT 1803/202020-05-29 → 2020-05-30
    Santa cruz light 22-56-16S 043-08-03W unlit until 25 nov
    Western South Atlantic · Brazil-south Coast
  16. HYDROLANT 1636/202020-05-14 → 2020-06-16
    Ilha de santana 02-16-10S 043-37-27W unlit
    Western South Atlantic · Brazil-north Coast
  17. HYDROLANT 1634/202020-05-13 → 2020-09-04
    RACON at barra light 32-07.1S 052-04.6W inoperative until 09 nov
    Western South Atlantic · Brazil-south Coast
  18. HYDROLANT 1583/202020-05-08 → 2020-06-01
    Odas buoy established in 19-36.25S 039-43.99W
    Western South Atlantic · Brazil-east Coast
  19. HYDROLANT 1582/202020-05-08 → 2020-06-01
    Odas buoy established in 19-42.92S 039-48.59W
    Western South Atlantic · Brazil-east Coast
  20. HYDROLANT 1581/202020-05-08 → 2020-06-01
    Odas buoy established in 19-58.95S 039-57.52W
    Western South Atlantic · Brazil-east Coast
  21. HYDROLANT 1564/202020-05-07 → 2020-05-28
    Araripe light 16-08.1S 038-57.9W unlit until 03 nov
    Western South Atlantic · Brazil-east Coast
  22. HYDROLANT 1563/202020-05-07 → 2020-05-27
    Belmonte light 15-51.8S 038-52.5W unlit until 03 nov
    Western South Atlantic · Brazil-east Coast
  23. HYDROLANT 1560/202020-05-07 → 2020-05-08
    RACON and radiobeacon at ponta de calcanhar light 05-09.7S 035-29.2W inoperative
    Western South Atlantic · Brazil-northeast Coast
  24. HYDROLANT 1518/202020-05-03 → 2020-05-07
    RACON, radiobeacon and dgps station at ponta de calcanhar light 05-09.7S 035-29.2W inoperative
    Western South Atlantic · Brazil-northeast Coast
  25. HYDROLANT 1447/202020-04-28 → 2020-05-01
    Ponta de pedras light 07-37.7S 034-48.7W unlit
    Western South Atlantic · Brazil-northeast Coast
  26. HYDROLANT 1445/202020-04-27 → 2020-10-25
    Barra de lagoa light 27-34.4S 048-25.4W unlit
    Western South Atlantic · Brazil-south Coast
  27. HYDROLANT 1444/202020-04-27 → 2020-10-10
    Sergipe light 10-58.2S 037-02.2W unlit
    Western South Atlantic · Brazil-east Coast
  28. HYDROLANT 1421/202020-04-25 → 2020-08-14
    Radiobeacon at tramandai light 30-00.5S 050-08.2W inoperative
    Western South Atlantic · Brazil-south Coast
  29. HYDROLANT 1417/202020-04-24 → 2020-10-22
    Radiobeacon at ilha da moela light 24-03.0S 046-15.8W inoperative until 21 oct
    Western South Atlantic · Brazil-south Coast
  30. HYDROLANT 1393/202020-04-21 → 2020-04-22
    Sergipe light 10-58.2S 037-02.2W unlit 221100Z to 221500Z apr
    Western South Atlantic · Brazil-east Coast
  31. HYDROLANT 1381/202020-04-20 → 2020-07-29
    Ponta dos meros light 23-13.5S 044-20.8W unlit
    Western South Atlantic · Brazil-south Coast
  32. HYDROLANT 1260/202020-04-07 → 2020-04-27
    Barra de lagoa light 27-34.4S 048-25.4W unlit
    Western South Atlantic · Brazil-south Coast
  33. HYDROLANT 1257/202020-04-07 → 2020-05-13
    Ponta da galheta light 27-34.5S 048-25.0W unlit
    Western South Atlantic · Brazil-south Coast
  34. HYDROLANT 1234/202020-04-05 → 2020-04-16
    Ilha da moela light 24-03.0S 046-15.8W unlit until 02 oct
    Western South Atlantic · Brazil-south Coast
  35. HYDROLANT 1188/202020-04-02 → 2020-04-15
    Ilha maiau light 01-16.9S 044-54.2W unlit
    Western South Atlantic · Brazil-north Coast
  36. HYDROLANT 1187/202020-04-02 → 2020-04-08
    Ilha de santana light 02-16.23S 043-37.43W unlit
    Western South Atlantic · Brazil-north Coast
  37. HYDROLANT 1186/202020-04-02 → 2020-04-15
    Ponta do gino light 01-20.8S 044-53.4W unlit
    Western South Atlantic · Brazil-north Coast
  38. HYDROLANT 1185/202020-04-02 → 2020-04-03
    Cabo branco light 07-08.9S 034-47.9W unlit
    Western South Atlantic · Brazil-northeast Coast
  39. HYDROLANT 1133/202020-03-27 → 2020-10-23
    Soa marcos light 02-29.3S 044-18.1W unlit
    Western South Atlantic · Brazil-north Coast
  40. HYDROLANT 999/202020-03-16 → 2020-03-28
    Nova vicosa light 17-53.9S 039-22.4W unlit until 12 sep
    Western South Atlantic · Brazil-east Coast
  41. HYDROLANT 930/202020-03-10 → 2020-03-18
    Ponta de pedras light 07-37.7S 034-48.7W unlit
    Western South Atlantic · Brazil-northeast Coast
  42. HYDROLANT 916/202020-03-09 → 2020-03-14
    Ararangua light 28-56.3S 049-21.6W unlit
    Western South Atlantic · Brazil-south Coast
  43. HYDROLANT 867/202020-03-05 → 2020-05-03
    RACON (y) at ponta de calcanhar light 05-09.7S 035-29.2W inoperative
    Western South Atlantic · Brazil-northeast Coast
  44. HYDROLANT 834/202020-03-04 → 2020-04-16
    Porto de pedras light 09-09.4S 035-17.9W unlit until 30 aug
    Western South Atlantic · Brazil-east Coast
  45. HYDROLANT 825/202020-03-04 → 2020-05-21
    Odas buoy, FL(5) y 20 sec, temporarily established until 30 aug in 13-01.85S 038-35.11W
    Western South Atlantic · Brazil-east Coast
  46. HYDROLANT 822/202020-03-04 → 2020-03-04
    Odas buoy, FL(5) y 20 sec, temporarily established until 30 aug in 13-01.85S 038-35.11W
    Western South Atlantic · Brazil-east Coast
  47. HYDROLANT 755/202020-02-29 → 2020-03-17
    Cabo sao tome radiobeacon 22-02.5S 041-03.2W off air until 26 aug
    Western South Atlantic · Brazil-southeast Coast
  48. HYDROLANT 488/202020-02-11 → 2020-02-13
    Albardao light 33-12-13S 052-42-28W unlit
    Western South Atlantic · Brazil-south Coast
  49. HYDROLANT 487/202020-02-11 → 2020-02-15
    RACON at solidao light 30-41-57S 050-28-45W inoperative
    Western South Atlantic · Brazil-south Coast
  50. HYDROLANT 411/202020-02-05 → 2020-03-05
    RACON (y) at ponta de calcanhar light 05-09.7S 035-29.2W inoperative
    Western South Atlantic · Brazil-northeast Coast

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.

Aids-to-navigation notices in the South Atlantic Ocean — page 8 · seahazards